| Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
QIT
(2nd) |
2011-11-21
09:20 |
Osaka |
Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) |
Photonic quantum interface for visible-to-telecommunication wavelength conversion
Rikizo Ikuta, Yoshiaki Kusaka, Tsuyoshi Kitano, Hiroshi Kato, Takashi Yamamoto (Osaka Univ.), Masato Koashi (Univ. of Tokyo), Nobuyuki Imoto (Osaka Univ.) |
[more] |
|
QIT
(2nd) |
2011-11-21
09:40 |
Osaka |
Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) |
Properties of a single photon generated by a solid-state emitter
-- effects of pure dephasing --
Eiki Iyoda, Takeo Kato (Tokyo Univ), Takao Aoki (Waseda Univ), Keiichi Edamatsu (Tohoku Univ), Kazuki Koshino (TMDU) |
We investigate the properties of a single photon generated by a solid-state emitter that is subject to strong pure depha... [more] |
|
QIT
(2nd) |
2011-11-21
10:00 |
Osaka |
Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) |
Single-photon experiments with an ensemble of semiconductor nanocrystals
Makoto Takeuchi, Yoshinari Akutagawa, Takahiro Kuga (The Univ. of Tokyo) |
A single photon has useful nature, which are “inseparable” and “indistinguishable”. We are aiming at a fabrication of in... [more] |
|
QIT
(2nd) |
2011-11-21
10:40 |
Osaka |
Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) |
Improved Output-Sensitive Quantum Algorithms for Boolean Matrix Multiplication
Francois Le Gall (Tokyo Univ.) |
We present new quantum algorithms for Boolean Matrix Multiplication in both the time complexity and the query complexity... [more] |
|
QIT
(2nd) |
2011-11-21
11:00 |
Osaka |
Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) |
On QMA Protocols with Two Short Quantum Proofs
Francois Le Gall (Univ. of Tokyo), Shota Nakagawa, Harumichi Nishimura (Osaka Pref. Univ.) |
This paper gives a QMA (Quantum Merlin-Arthur) protocol for 3-SAT with two logarithmic-size quantum proofs (that are not... [more] |
|
QIT
(2nd) |
2011-11-21
11:20 |
Osaka |
Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) |
Towards Computational Complexity Theory for Quantum Simulation
Hiroshi Imai (Univ. Tokyo) |
[more] |
|
QIT
(2nd) |
2011-11-21
13:00 |
Osaka |
Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) |
[Invited Talk]
Quantum non-demolition techniques in a gravitational-wave detector and macroscopic quantum measurement using a high-sensitivity optical interferometer
Kentaro Somiya (TITech) |
[more] |
|
QIT
(2nd) |
2011-11-21
13:40 |
Osaka |
Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) |
Uncertainty Relation between Error and Disturbance Revisited from Quantum Estimation Theory
Yu Watanabe, Masahito Ueda (Univ. of Tokyo) |
We formulate error and disturbance in quantum measurement by using quantum estimation theory, and identify trade-off rel... [more] |
|
QIT
(2nd) |
2011-11-21
14:00 |
Osaka |
Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) |
Uncertainty Principle in Spin Measurements
Masanao Ozawa (Nagoya Univ.) |
The Heisenberg uncertainty principle prohibits simultaneous measurements of non-commuting observables. However, no quan... [more] |
|
QIT
(2nd) |
2011-11-21
14:20 |
Osaka |
Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) |
Statistical model for Stern-Gerlach experiment of measurement of angular momentum
Agung Budiyono (RIKEN) |
We develop a method of quantization based on modification of classical dynamics of ensemble of trajectories parameterize... [more] |
|
QIT
(2nd) |
2011-11-21
16:20 |
Osaka |
Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) |
Measurement-induced dephasing in superconducting qubit readout with a Josephson bifurcation amplifier: experiment and theory
Hayato Nakano, Kosuke Kakuyanagi (NTT BRL) |
[more] |
|
QIT
(2nd) |
2011-11-21
16:40 |
Osaka |
Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) |
All-order evaluation of weak measurements
-- The cases of an operator ${\bf A}$ which satisfies the property ${\bf A}^{2}=1$ --
Kouji Nakamura (NAOJ), Atsushi Nishizawa (Kyoto Univ.), Masa-Katsu Fujimoto (NAOJ) |
[more] |
|
QIT
(2nd) |
2011-11-21
17:00 |
Osaka |
Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) |
Weak-value Amplification and Quantum Noise
Atsushi Nishizawa (Kyoto Univ.), Kouji Nakamura, Masa-Katsu Fujimoto (NAOJ) |
[more] |
|
QIT
(2nd) |
2011-11-21
17:20 |
Osaka |
Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) |
On Amplification by Weak Measurement
Tatsuhiko Koike, Saki Tanaka (Keio Univ) |
The amplification by a weak quantum measurement proposed by Aharonov, Albert, and Vaidman is
studied in the case o... [more] |
|
QIT
(2nd) |
2011-11-22
09:00 |
Osaka |
Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) |
Composite pulses implement geometric quantum computation
Tsubasa Ichikawa, Masamitsu Bando, Yasushi Kondo, Mikio Nakahara (Kinki Univ.) |
We show that two kinds of composite pulses, one compensating for a pulse length error in one-qubit system, and the other... [more] |
|
QIT
(2nd) |
2011-11-22
09:20 |
Osaka |
Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) |
Concatenated Composite Quantum Gates
Masamitsu Bando, Tsubasa Ichikawa, Yasushi Kondo, Mikio Nakahara (Kinki Univ.) |
[more] |
|
QIT
(2nd) |
2011-11-22
09:40 |
Osaka |
Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) |
Minimal Composite Gates for Two-Qubit Ising-Type Systems
Utkan Gungordu, Tsubasa Ichikawa, Masamitsu Bando, Mikio Nakahara (Kinki Univ.) |
[more] |
|
QIT
(2nd) |
2011-11-22
10:00 |
Osaka |
Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) |
Analysis of controlled-NOT gate by time-optimal quantum computation theory
-- result of a chain system --
Jun Koizumi, Tatsuhiko Koike (Keio Univ.) |
We investigate the way to realize controlled-NOT gate time-optimally by using fidelity-optimal quantum computation theor... [more] |
|
QIT
(2nd) |
2011-11-22
10:40 |
Osaka |
Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) |
Generation of a decoherence-free entangled state using a radio frequency dressed state
Atsushi Noguchi, Shinsuke Haze, Kenji Toyoda, Shinji Urabe (Osaka Univ.) |
Quantum superposition states, especially entangled states, are breaking due to environmental noises.
Their decay, calle... [more] |
|
QIT
(2nd) |
2011-11-22
11:00 |
Osaka |
Osaka Univ. Engr. Sci. Sigma Hall (Toyonaka) |
Observation of radial mode phonon hopping towards quantum simulation with trapped ions
Shinsuke Haze, Yusuke Tateishi, Atsushi Noguchi, Kenji Toyoda, Shinji Urabe (Osaka univ.) |
Quantum simulation using laser cooled ions are studied and many of related researches are recently reported.
Our goal i... [more] |
|